17. Computing mathematical absolute value for int/long and result overflow Mathematical absolute value is notated by placing the value between…
22. Hooking Java (un)signed integers in a nutshell Signed values (or variables) such as signed integers or signed longs allow…
26. Rounding a float number to specified decimals Consider the following float number and the number of decimals that we…
32. Getting legacy pseudo-random generator from new ones of JDK 17 A legacy pseudo-random generator such as Random, SecureRandom, or…
Check out the last example, c2. Since codePointAt() returns the correct code point (128525), we can obtain the binary representation…
UTF-8 UTF-8 is an encoding scheme for Unicode that represent every code point on 1, 2, 3, or 4 bytes.…
34. Explain and exemplify UTF-8, UTF-16, and UTF-32 Character encoding/decoding is important for browsers, databases, text editors, file systems, networking,…
35. Checking sub-range in the range from 0 to length Checking that a given sub-range is in the range from…
Linking Adding links in code can be done via the @link tag. The common arguments are substring="…" and target="…". For…
JDK 9+, pre JDK 16 As you just saw, before JDK 9, the Java Reflection API provides access to non-public…